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Match the following columns.
Column I Column II
A. Magnetite p. Ore of Mg
B. Dolomite q. Ore of Al
C. Corundum r. Oxide ore
D. Bauxite s. Carbonate ore

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A - p,r ; B - p,s ; C - p,q ; D - p,r

A - q,r ; B - p,r ; C - p,s ; D - p,r

A - p,s ; B - p,s ; C - q,r ; D - q,r

A - p ; B - q,r ; C - s ; D - p,s

answer is C.

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Detailed Solution

$A \to p, s; B \to p, s; C \to q, r; D \to q, r$
Magnesite (MgCO₃), Dalomite (CaCO₃ .MgCO₃) Corundum (Al₂O₃) ,Bauxite (Al₂O₃.2H₂O).

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